The present invention provides a toner binder for electrophotography which comprises a polyester resin constituted of an alcohol component containing a polyoxyalkylene ether (A) of a bisphenol and an acid component, and the content of unreacted bisphenols in said polyester resin is 15 ppm or less.

 
Web www.patentalert.com

> Catalysts for olefin polymerization

~ 00389